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- The importance of coal structure at both molecular and petrographic evels is in a closeed relation to coal preparation, processing, combus tion and environmental aspects. 它直接关系到煤炭加工转化技术的发展和煤利用对环境造成污染的改善。
- In order to determine the mechanism of the coal and gas outburst in the syncline, it should be analyzed from stress, the property of coal structure to the press and content of gas in the syncline. 摘要为了确定向斜构造煤与瓦斯突出机理,从应力、煤体结构特征和瓦斯压力及含量等方面对向斜构造进行了分析。
- Two patterns of reformed coal reservoirs in reformed coal basins, the reformation of coal structure and reformed fracture by aposedimentary fillings and forming of the fillings are introduced. 阐述了改造型含煤盆地煤储层被改造的两种形式;煤体结构的改造及构造煤的形成原因;后生充填物对煤层孔隙的改造及形成原因。
- Ac-cording to the distributing regularity of these controlling coal structure, four regions are classifled anddifferent research methods should be taken for coal exploration in each region. 根据控煤构造在空间上的展布规律,对本区自北而南划分为四个控煤构造类型区,并指出在不同的控煤构造类型区内进行找煤工作应采取不同的措施和研究方法。
- Research on Coal Structure Using FT-IR 傅立叶红外光谱法对煤结构的研究
- Keywords coal structure;Jixi coal;X-ray diffraction;metamorphism; 煤结构;鸡西煤;X-射线衍射;变质程度;
- Keywords oal;electrical conductivity;coal structure; 煤;导电性;煤结构;
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- She piled on more coal before the fire go out. 在火熄灭之前她又加上些煤。
- I add the coal on the flame continuously. 我不断朝火里添加煤炭。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- We have enough coal to see the winter out. 我们有足够的煤过冬。
- They eked out their coal by collecting firewood. 他们拣拾木柴以补充煤的不足。
- We had a big delivery of coal today. 今天我们收到大批订购的煤。
- Pile on more coal the fire is going out. 火快灭了,再加上些煤。
- What can we do with the bituminous coal? 这些烟煤可以用来做什么?
- A coal fell from the fire and burned the mat. 一块煤炭从火中掉出来,烧坏了地席。